Analysis of interatomic Contacts of Structural Units in PDB entry:
3KRT

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 3KRT entry

There are 4 chains in PDB entry 3KRT (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 2	ARG 447
B	SER 2	ARG 447
C	THR 4	ARG 447
D	LEU 3	ARG 447

There are 77 helices in PDB entry 3KRT. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	4	14	Right-handed alpha
Helix 2	2	A	18	25	Right-handed alpha
Helix 3	3	A	39	41	Right-handed 310
Helix 4	4	A	48	52	Right-handed 310
Helix 5	5	A	53	58	Right-handed alpha
Helix 6	6	A	83	91	Right-handed alpha
Helix 7	7	A	97	106	Right-handed alpha
Helix 8	8	A	108	113	Right-handed alpha
Helix 9	9	A	156	160	Right-handed 310
Helix 10	10	A	162	166	Right-handed 310
Helix 11	11	A	200	206	Right-handed alpha
Helix 12	12	A	207	219	Right-handed alpha
Helix 13	13	A	239	252	Right-handed alpha
Helix 14	14	A	262	273	Right-handed alpha
Helix 15	15	A	295	311	Right-handed alpha
Helix 16	16	A	323	333	Right-handed alpha
Helix 17	17	A	355	361	Right-handed alpha
Helix 18	18	A	372	385	Right-handed alpha
Helix 19	19	A	400	410	Right-handed alpha
Helix 20	20	A	432	444	Right-handed alpha
Helix 21	21	B	4	14	Right-handed alpha
Helix 22	22	B	18	25	Right-handed alpha
Helix 23	23	B	39	41	Right-handed 310
Helix 24	24	B	48	52	Right-handed 310
Helix 25	25	B	53	58	Right-handed alpha
Helix 26	26	B	83	91	Right-handed alpha
Helix 27	27	B	97	105	Right-handed alpha
Helix 28	28	B	108	113	Right-handed alpha
Helix 29	29	B	157	161	Right-handed 310
Helix 30	30	B	162	166	Right-handed 310
Helix 31	31	B	200	206	Right-handed alpha
Helix 32	32	B	207	219	Right-handed alpha
Helix 33	33	B	239	252	Right-handed alpha
Helix 34	34	B	262	273	Right-handed alpha
Helix 35	35	B	295	311	Right-handed alpha
Helix 36	36	B	323	333	Right-handed alpha
Helix 37	37	B	355	361	Right-handed alpha
Helix 38	38	B	372	385	Right-handed alpha
Helix 39	39	B	400	410	Right-handed alpha
Helix 40	40	B	432	444	Right-handed alpha
Helix 41	41	C	4	14	Right-handed alpha
Helix 42	42	C	18	24	Right-handed alpha
Helix 43	43	C	39	41	Right-handed 310
Helix 44	44	C	53	57	Right-handed 310
Helix 45	45	C	83	92	Right-handed alpha
Helix 46	46	C	97	106	Right-handed alpha
Helix 47	47	C	108	113	Right-handed alpha
Helix 48	48	C	162	166	Right-handed 310
Helix 49	49	C	200	206	Right-handed alpha
Helix 50	50	C	207	219	Right-handed alpha
Helix 51	51	C	239	252	Right-handed alpha
Helix 52	52	C	262	273	Right-handed alpha
Helix 53	53	C	295	311	Right-handed alpha
Helix 54	54	C	323	333	Right-handed alpha
Helix 55	55	C	355	360	Right-handed alpha
Helix 56	56	C	372	385	Right-handed alpha
Helix 57	57	C	400	410	Right-handed alpha
Helix 58	58	C	432	444	Right-handed alpha
Helix 59	59	D	4	13	Right-handed alpha
Helix 60	60	D	18	23	Right-handed alpha
Helix 61	61	D	39	45	Right-handed 310
Helix 62	62	D	48	52	Right-handed 310
Helix 63	63	D	53	57	Right-handed 310
Helix 64	64	D	83	91	Right-handed alpha
Helix 65	65	D	97	106	Right-handed alpha
Helix 66	66	D	108	113	Right-handed alpha
Helix 67	67	D	162	166	Right-handed 310
Helix 68	68	D	200	206	Right-handed alpha
Helix 69	69	D	207	219	Right-handed alpha
Helix 70	70	D	241	252	Right-handed alpha
Helix 71	71	D	262	273	Right-handed alpha
Helix 72	72	D	295	311	Right-handed alpha
Helix 73	73	D	323	333	Right-handed alpha
Helix 74	74	D	355	360	Right-handed alpha
Helix 75	75	D	372	385	Right-handed alpha
Helix 76	76	D	400	410	Right-handed alpha
Helix 77	77	D	432	444	Right-handed alpha

There are 24 sheets in PDB entry 3KRT. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X,

There are 3 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	59	63	first strand
Strand 2	A	31	37	anti-parallel
Strand 3	A	118	120	anti-parallel

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There are 5 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	184	188	first strand
Strand 2	A	72	82	anti-parallel
Strand 3	A	126	132	anti-parallel
Strand 4	A	144	147	anti-parallel
Strand 5	A	192	194	anti-parallel

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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	184	188	first strand
Strand 2	A	72	82	anti-parallel
Strand 3	A	416	420	anti-parallel
Strand 4	A	392	397	parallel

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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	150	151	first strand
Strand 2	A	170	171	anti-parallel

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There are 12 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	276	279	first strand
Strand 2	A	255	260	parallel
Strand 3	A	231	234	parallel
Strand 4	A	315	320	parallel
Strand 5	A	334	342	parallel
Strand 6	A	364	367	parallel
Strand 7	D	364	367	anti-parallel
Strand 8	D	334	342	parallel
Strand 9	D	315	320	parallel
Strand 10	D	231	234	parallel
Strand 11	D	255	260	parallel
Strand 12	D	276	279	parallel

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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	288	290	first strand
Strand 2	A	293	294	anti-parallel

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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	350	354	first strand
Strand 2	D	350	354	anti-parallel

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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	59	64	first strand
Strand 2	B	30	37	anti-parallel
Strand 3	B	118	120	anti-parallel

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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	184	188	first strand
Strand 2	B	72	81	anti-parallel
Strand 3	B	126	132	anti-parallel
Strand 4	B	144	147	anti-parallel
Strand 5	B	192	194	anti-parallel

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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	184	188	first strand
Strand 2	B	72	81	anti-parallel
Strand 3	B	416	420	anti-parallel
Strand 4	B	392	397	parallel

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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	150	151	first strand
Strand 2	B	170	171	anti-parallel

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There are 12 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	276	279	first strand
Strand 2	B	255	260	parallel
Strand 3	B	231	234	parallel
Strand 4	B	315	320	parallel
Strand 5	B	334	342	parallel
Strand 6	B	364	367	parallel
Strand 7	C	364	367	anti-parallel
Strand 8	C	334	342	parallel
Strand 9	C	315	320	parallel
Strand 10	C	231	234	parallel
Strand 11	C	255	260	parallel
Strand 12	C	276	279	parallel

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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	288	290	first strand
Strand 2	B	293	294	anti-parallel

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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	350	354	first strand
Strand 2	C	350	354	anti-parallel

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There are 3 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	59	64	first strand
Strand 2	C	30	37	anti-parallel
Strand 3	C	118	120	anti-parallel

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There are 5 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	184	188	first strand
Strand 2	C	72	81	anti-parallel
Strand 3	C	126	132	anti-parallel
Strand 4	C	144	147	anti-parallel
Strand 5	C	192	194	anti-parallel

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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	184	188	first strand
Strand 2	C	72	81	anti-parallel
Strand 3	C	416	420	anti-parallel
Strand 4	C	392	397	parallel

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There are 2 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	150	151	first strand
Strand 2	C	170	171	anti-parallel

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There are 2 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	288	290	first strand
Strand 2	C	293	294	anti-parallel

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There are 3 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	59	64	first strand
Strand 2	D	30	37	anti-parallel
Strand 3	D	118	120	anti-parallel

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There are 5 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	184	188	first strand
Strand 2	D	72	82	anti-parallel
Strand 3	D	126	132	anti-parallel
Strand 4	D	144	147	anti-parallel
Strand 5	D	192	194	anti-parallel

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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	184	188	first strand
Strand 2	D	72	82	anti-parallel
Strand 3	D	416	420	anti-parallel
Strand 4	D	392	397	parallel

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There are 2 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	150	152	first strand
Strand 2	D	169	171	anti-parallel

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There are 2 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	288	290	first strand
Strand 2	D	293	294	anti-parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 3KRT

Analysis of interatomic Contacts of Structural Units in PDB entry:
3KRT